DJI Snail Manual Del Usuario página 14

η
(%)
80
70
η
60
50
40
30
20
10
0
5000
η – Electrical Efficiency, T – Thrust, I – Current, P – Input Power, N – Rotational Speed
The data above was measured with an input voltage of 14.8V, at a temperature of
25°C and sea level. The rotational speed was adjusted by the throttle. Electrical
efficiency is the product efficiency of the system including the ESC and motor.
2305 Racing Motor Performance
Performance Diagram
η
(%)
100
T
90
80
I
70
60
50
40
30
20
10
0
5000 10000
T – Torque, I – Current, P – Output Power, η – Efficiency, N – Rotational Speed
The data above contain theoretical values measured with an input voltage of 14.8V,
for reference only. When operating at a temperature of 25°C with no additional cooling
devices, the motor cannot operate with a current more than 50A. It can support
short term operation (about 1 to 10 sec) with a current between 25A and 50A, and
continuous operation with a current under 25A. The motor run time should depend on
the actual environmental temperature and cooling conditions.
Characteristic Parameters
Speed Constant
Back Electromotive Force Constant
Mechanical Time Constant
Motor Rotor Inertia
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12
2017 DJI All Rights Reserved.
P
T
I
10000 15000 20000
P
15000 20000 25000 30000 35000
I (A) T (g/rotor)
40 1400
35
1200
30
1000
25
800
20
600
15
400
10
200
5
0 0
25000
N (rpm)
(N · m) P (W)
T
1 800
0.9
700
0.8
η
600
0.7
500
0.6
0.5 400
0.4
300
0.3
200
0.2
100
0.1
0
0
N (rpm)
2400rpm/V
0.0056364 v ∙s/rad
200ms
1.84kg∙mm²
P (W)
500
450
400
350
300
250
200
150
100
50
0
I (A)
250
200
150
100
50
0